<template>
  <div class="update-photo">
    <img class="img"
         :src="img"
         ref="img" />

    <div class="toolbar">
      <div class="cancel"
           @click="$emit('close')">取消</div>
      <div class="confirm"
           @click="onConfirm">完成</div>
    </div>
  </div>
</template>

<script>
import "cropperjs/dist/cropper.css";
import Cropper from "cropperjs";
import {updateUserPhoto } from '@/api/user'
export default {
  name: "UpdatePhoto",
  components: {},
  props: {
    // 预览图片地址信息
    img: {
      type: [String, Object],
      required: true
    }
  },
  data() {
    return {
      cropper: null // 裁剪器对象
    };
  },
  computed: {},
  watch: {},
  created() {},
  mounted() {
    const image = this.$refs.img;
    this.cropper = new Cropper(image, {
      viewMode: 1,
      dragMode: "move",
      aspectRatio: 1,
      // autoCropArea: 1,
      cropBoxMovable: false,
      cropBoxResizable: false,
      background: false
    });
    // 不能在这里调用 this.cropper.getCroppedCanvas() 方法！因为裁剪器还没初始化好！
  },
  methods: {
    // 确定事件
    onConfirm() {
    // 基于服务端的裁切使用 getData 方法获取裁切参数
    // console.log(this.cropper.getData())
    // 纯客户端的裁切使用 getCroppedCanvas 获取裁切的文件对象
    this.cropper.getCroppedCanvas().toBlob(blob=>{
      this.updateUserPhoto(blob)
    })
    },
    async updateUserPhoto(blob){
        this.$toast.loading({
        message: '保存中...',
        forbidClick: true, // 禁止背景点击
        duration: 0 // 持续展示
    })
    try {
      const formDate = new FormData()
      formDate.append('photo',blob)
      const {data} =await updateUserPhoto(formDate)
      this.$emit('update-photo', data.data.photo);
      this.$emit('close');
      // 提示成功
      this.$toast.success('更新成功')
    } catch (err) {
      this.$toast.fail('更新失败')
      console.log(err);
    }
    }
  }
};
</script>

<style scoped lang="less">
.update-photo {
  background-color: #000;
  height: 100%;
  .toolbar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    justify-content: space-between;
    .cancel,
    .confirm {
      width: 90px;
      height: 90px;
      font-size: 30px;
      display: flex;
      justify-content: center;
      align-items: center;
      color: #fff;
    }
  }
}
.img {
  display: block;
  max-width: 100%;
}
</style>
